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Extension rings & Port adapters

An extension ring will extend your port and make it longer. We recommend you to follow the manufacturers recommended combinations of ports and extension rings for best possible image quality. To identify which extension ring you need see port charts below.

We can help you find the best port options for your lens. Let us know: 1) Underwater housing brand? 2) Which camera? 3) Which lens?

Port charts

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Underwater gear brand:  
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